Nissan Juke Service and Repair Manual : Engine control system symptoms
Symptom Table
NOTE
:
Only consult this customer complaint after a complete check using the
CONSULT-III.

Not communication with the ECM
Description
CHART 1: NO COMMUNICATION WITH THE ECM
Diagnosis Procedure
1.INSPECTION START
Ensure that CONSULT-III is not causing the malfunction by trying to establish
dialogue with an ECM on
a ...
Other materials:
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
NOTE:
• Before removing and installing any control units, first turn the ignition
switch to the LOCK position, then disconnect
both battery cables.
• After finishing work, confirm that all control unit connectors are connected
properly, then re-connect both
battery cables.
• Always use CONS ...
B20A0 cranking request circuit
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B20A0 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to PCS-
30, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Perform DTC CONFIRMATION PROCEDURE for DTC P1650. Re ...
Cooling fan control
Cooling fan control : System Diagram
Cooling fan control : System Description
INPUT/OUTPUT SIGNAL CHART
*: The ECM determines the start signal status by the signals of engine speed
and battery voltage.
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, eng ...

